164468263 has 2 divisors, whose sum is σ = 164468264. Its totient is φ = 164468262.

The previous prime is 164468221. The next prime is 164468279. The reversal of 164468263 is 362864461.

It is a strong prime.

It is an emirp because it is prime and its reverse (362864461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164468263 - 2¹³ = 164460071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164468203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82234131 + 82234132.

It is an arithmetic number, because the mean of its divisors is an integer number (82234132).

Almost surely, 2^164468263 is an apocalyptic number.

164468263 is a deficient number, since it is larger than the sum of its proper divisors (1).

164468263 is an equidigital number, since it uses as much as digits as its factorization.

164468263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 40.

The square root of 164468263 is about 12824.5180416264. The cubic root of 164468263 is about 547.8908344095.

The spelling of 164468263 in words is "one hundred sixty-four million, four hundred sixty-eight thousand, two hundred sixty-three".